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opisthobranchs

opisthobranchs Sentence Examples

  • The interesting little Rhodope veranyii, which has no odontophore, has been associated by systematists both with these simplified Opisthobranchs and with Rhabdocoel Planarians.

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  • For a comparison of various Opisthobranchs, Aplysia will be found to present a convenient starting-point.

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  • It is one of the more typical Opisthobranchs, that is to say, it belongs to the section Tectibranchia, but other members of the suborder, namely, Bulla and Actaeon (figs.

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  • The great development of the parapodia seen in Aplysia is usual in Tectibranchiate Opisthobranchs.

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  • The typical character is retained by the heart, pericardium, and the communicating nephridium or renal organ in all Opisthobranchs.

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  • Opisthobranchs provided in the adult state with a shell and a mantle, except Runcina, Pleuro.

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  • External to the branchia are seen ten club-like processes of the dorsal wall, these are the " cerata " which are characteristically developed in another sub-order of Opisthobranchs.

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  • In the marine Streptoneura they are ectodermic projections which ultimately fall off; in the Opisthobranchs they are closed pouches; in Paludina and Bithynia they are canals as in Pulmonata.

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  • Neomenia, mentioned first by Michael Sars in 1868 under the name Solenopus, was afterwards included among the Opisthobranchs by J.

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  • The only other molluscs in which they are exactly represented are the curious Opisthobranchs Phyllidia and Pleurophyllidia (fig.

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  • The interesting little Rhodope veranyii, which has no odontophore, has been associated by systematists both with these simplified Opisthobranchs and with Rhabdocoel Planarians.

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  • For a comparison of various Opisthobranchs, Aplysia will be found to present a convenient starting-point.

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  • It is one of the more typical Opisthobranchs, that is to say, it belongs to the section Tectibranchia, but other members of the suborder, namely, Bulla and Actaeon (figs.

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  • The great development of the parapodia seen in Aplysia is usual in Tectibranchiate Opisthobranchs.

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  • The typical character is retained by the heart, pericardium, and the communicating nephridium or renal organ in all Opisthobranchs.

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  • In many of the Nudibranchiate Opisthobranchs the nervous system presents a concentration of the ganglia (fig.

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  • Opisthobranchs provided in the adult state with a shell and a mantle, except Runcina, Pleuro.

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  • External to the branchia are seen ten club-like processes of the dorsal wall, these are the " cerata " which are characteristically developed in another sub-order of Opisthobranchs.

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  • In the marine Streptoneura they are ectodermic projections which ultimately fall off; in the Opisthobranchs they are closed pouches; in Paludina and Bithynia they are canals as in Pulmonata.

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  • Neomenia, mentioned first by Michael Sars in 1868 under the name Solenopus, was afterwards included among the Opisthobranchs by J.

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